JPS5923928Y2 - liquid fuel combustion equipment - Google Patents

Description

[Detailed description of the invention] The present invention relates to a liquid fuel combustion device that vaporizes liquid fuel and burns the vaporized fuel by mixing it with combustion air. Explain.

1 is the main body of the liquid/fuel combustion device, 2 is a pot with a large number of air holes 3 provided on the peripheral wall 2a, 16 is a toto body that surrounds the entire circumference of the pot 2 to form a passage 4, and 5 is an L on the inner bottom of the pot 2. There is a vaporizing tube erected in communication with the gas passage 4, and inside the vaporizing tube 5 there is disposed an open lower portion of a blowing tube 6 whose one end is connected to a blower (not shown), and a pressure pump (not shown). A nozzle 8 for spraying the liquid fuel that is pumped by the vaporizer cylinder 5 is arranged to face the closed end surface 5a of the vaporizer cylinder 5 from inside the blower cylinder 6.

Reference numeral 9 denotes an ignition burner that faces tangentially into the pot 2 from the side of the main body 1, and the burner 9 is separated from a nozzle 10 with a relatively small spray force and a discharge electrode 11.

Reference numeral 12 denotes a baffle plate installed above the ignition burner 9 in the gap 13 between the pot inner wall 2a and the vaporizing cylinder outer wall 5b, and the baffle plate 12 closes the gap so that the blowout position of the ignition burner 9 is maximized; The distance from the blow-out position decreases.

14 is an air port provided in the mounting tube 15 of the ignition burner 9.

To explain the operation of the above configuration, when the blower (not shown) is driven, combustion air is sent from the blower tube 6 to the inside of the vaporizing tube 5, and is blown out from the passage 4 through the air port 3 into the pot 2. A portion of the air is sent into the mounting tube 15 of the ignition burner 9 through the air port 14.

Therefore, when liquid fuel is supplied to the nozzle 10 of the ignition burner 9 and a voltage is applied to the electrode 11, the fuel sprayed from the nozzle 10 is ignited and burned, and the combustion flame circulates annularly in the gap 13 and heats the vaporization cylinder 5. do.

By heating the vaporization tube 5, when the fuel is then force-fed to the nozzle 8, the fuel is sprayed onto the closed end surface of the vaporization tube 5 and vaporized, and the vaporized fuel is mixed with heated air in the vaporization tube 5 to form an air-fuel mixture. is ejected from the passage 4 through the air port 3 into the bottle 2, and is ignited by the flame of the ignition burner 9, resulting in main combustion.

Even if the fuel supply to the ignition burner 9 is cut off at the start of the main combustion, the combustion cylinder 5 is heated by the combustion flame from the air port 3 at the inner bottom of the pot 2, and from then on, only the fuel supply to the nozzle 8 is necessary. The combustion continues.

By the way, a feature of the present invention is that it performs vaporization using combustion heat without using an electric heater at all.

Furthermore, in order to increase the vaporization efficiency, the combustion flame of the ignition burner 9 is guided around the vaporization tube 5.

However, in this case, if the ignition burner is only directed into the pot 2, the flame will rise immediately after being blown out.In order to suppress the rise of the false flame, a baffle plate is installed above the ignition burner 9 in the present invention.

Therefore, according to the present invention, the baffle plate suppresses the rise of the flame and wraps around the vaporizing cylinder, so that the vaporizing cylinder is uniformly heated and good vaporization can be performed.

In this embodiment, the ignition burner 9 is oriented in the tangential direction of the pot 2 in order to make the flame surrounding the vaporization cylinder more uniform, and the closing width of the gap 13 by the baffle plate 12 is set at the blowout position of the ignition burner 9. It is set at the maximum, and decreases as the distance from the blowing position increases.

According to such a configuration, compared to a case where the width of closing the gap 13 by the baffle plate 12 is made uniform over the entire circumference of the gap 13, the exhaust resistance decreases as the distance from the blowout position of the ignition burner 9 increases. A rising force is applied to the flame as it moves away from the blowout position, and the flame spreads more uniformly around the entire circumference of the gap 13.
The vaporizer cylinder 5 is heated uniformly.

As described above, according to the present invention, the heating of the vaporizing tube 5 by the ignition burner 9 is performed uniformly all around the circumference, so that the fuel sprayed from the nozzle 8 is vaporized well, and the combustion of the ignition burner 9 starts from the main combustion. The rise time leading to combustion is short, and no unvaporized fuel is generated.

In addition, by making the flame uniform, the fuel and air in the ignition burner are completely mixed and no soot is generated.As stated above, the present invention provides an extremely useful liquid fuel combustion device. It is possible.

[Brief explanation of the drawing]

FIG. 1 is an overall vertical sectional view showing an embodiment of the present invention, and FIG. 2 is a horizontal sectional view. 1... main body, 2... bog), 3...
...Air vent, 4...Passage, 5...
Evaporation cylinder, 9... Ignition burner 12... Baffle plate, 13... Gap, 16...
・Outer body.

Claims (1)

[Scope of utility model registration request] A vaporizing cylinder is provided at the bottom of the main pot, which is composed of a pot having a large number of air ports on the peripheral wall and an outer body surrounding the pot to form a passage, and which communicates with the passage and is supplied with atomized fuel and blown air. A liquid fuel combustion device characterized in that the ignition burner faces into the pot from the side of the main body, and a baffle plate is attached above the ignition burner in the gap between the inner wall of the pot and the outer wall of the vaporizing cylinder.